NOAA S-57 chart cell
Near Islands Buldir Island to Attu Island
US3AK71M
- Usage band
- Coastal · code 3
- Current edition
- 5.1
- Features
- 139
- S-57 layers
- 14
- Published
- May 20, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 53.56196° N
- South
- 51.29196° N
- West
- 171.02425° E
- East
- 176.21956° E
- Center
- 52.42696° N, 173.62191° E
- Bounds area
- 25,922 sq nm
- Feature density
- 0.0054 / sq nm
Chart Statistics
14 largest layers shown
- Average features per layer
- 9.9
- Smallest layer
- 1
- Largest layer
- 47
- Area sq km
- 88,910
- Features per sq km
- 0.00156
- DEPARE Depth area 47
- DEPCNT Depth contour 47
- MAGVAR Magnetic variation 10
- ADMARE 6
- CONZNE 5
- SBDARE Seabed area 5
- M_QUAL Data quality 4
- SOUNDG Sounding 4
- M_COVR Coverage 3
- SEAARE Sea area 3
- RESARE 2
- EXEZNE 1
- M_NPUB 1
- M_NSYS 1
Nearby Chart Cells
Coastal usage band
Current Edition Files
The NOAA ZIP archive is the upstream source for this chart cell; the other files are Open Ships generated derivatives for web and GIS use.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US3AK71M.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/coastal/US3AK71M/5.1/US3AK71M.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/coastal/US3AK71M/5.1/US3AK71M.001
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3AK71M/5.1/US3AK71M.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3AK71M/5.1/US3AK71M.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3AK71M/5.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 5.1 | May 20, 2026 | metadata.json |